These Starflake beads come in 10mm, 12mm, 18mm and 25mm in diameter and have a 2mm hole. They are acrylic beads in the shape of a starflake or snowflake. Starflake beads 18mm are the most popular size we carry. 18mm starflake crystal beads are the most popular color. Most of our customers use these beads to make holiday ornaments, dolls, and birthstone angels. We have many colors available in these beads. Made in the USA.